Simulation of Arc Welding Process

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This paper presents a program for modeling and optimization of the arc welding process. Interface of the program is divided: time-synchronized monitoring multiple welding robots, a quick calculation options are various parameters, quickly replace the original design parameters (sequence of welding, etc.), the high degree of reliability modeling of welding defects, overheated regions, distortion and residual stresses in structures, intuitive visualization and control mechanism of the modeling process. Process variables are easy to evaluate quickly by changing the welding parameters, leading to systematic optimization of fusion zones, heat-affected zones, residual stress, and distortions. The software provides tools for reporting display of distortion, temperature distribution, residual stresses, and curve progression of physical factors on fixed measuring points. As a production process tool, simulation offers an interface to RoboCad, as well as an export interface to robots. Welding paths can be simulated in real speed, direction, and inclination, and the program is capable of tracking different heat sources (Goldak model, volume sources, surface heat sources with Gauss distribution, and combinations of this). This paper presents RobotStudio simulation of welding of parts. Optimum welding parameters are set using Simufact.welding modeling.

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55-60

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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